Unit 1

Question 1

Paramecium is an example of what grades of organization?

Answer 1

protoplasmic

Question 2

Volvox is an example of what grades of organization?

Answer 2

cellular

Question 3

Jellyfish (Cnidarians) is an example of what grades of organization?

Answer 3

cell-tissue

Question 4

Planaria is an example of what grades of organization?

Answer 4

tissue-organ

Question 5

Any plane passing through the center divides a body into equivalent, or mirrored, halves, rather like cutting a ball in half.

Answer 5

spherical symmetry

Question 6

The body of the organism can be divided into similar halves by more than 2 planes passing thru their longitudinal axis

Answer 6

Radial symmetry

Question 7

two ends of the radial symmetry

Answer 7

oral surface and aboral surface

Question 8

No anterior and posterior end and can interact with their environment in all directions

Answer 8

radial symmetry

Question 9

Only 2 planes passing thru longitudinal axis can produce mirrored halves

Answer 9

biradial symmetry

Question 10

Comb jellies are an example of what symmetry

Answer 10

biradial symmetry

Question 11

The sagittal plane, passing through the longitudinal axis, divides mirrored halves — right and left

Answer 11

bilateral symmetry

Question 12

transverse plane

Answer 12

anterior posterior

Question 13

coronal plane

Answer 13

dorsal and ventral

Question 14

ssagittal plane

Answer 14

left n right

Question 15

denotes the chest region or area associated with the anterior pair of appendages

Answer 15

pectoral

Question 16

denotes the hip region or area associated with the posterior pair of appendages

Answer 16

pelvic

Question 17

What body plans or cavity structure is this?

Mesodermal cells completely fill the blastocoel

Answer 17

acoelomate

Question 18

What body plans or cavity structure is this?

No body cavity at all

Answer 18

acoelomate

Question 19

What body plans or cavity structure is this?

Mesodermal cells line the outer edge of the blastocoel

Answer 19

pseudocoelomate

Question 20

Blastopore becomes mouth

Answer 20

protostomes

Question 21

Blastopore becomes anus

Answer 21

deuterostomes

Question 22

examples of protostomes

Answer 22

arthropods, mollusks, annelids

Question 23

examples of deuterostomes

Answer 23

chordates, vertebrates, echinoderms

Question 24

Fluid-filled body cavity lined with mesodermal tissue

Answer 24

coelom

Question 25

Serial repetition of similar body segments along the longitudinal axis of the body

Answer 25

segmentation

Question 26

segmentation also called

Answer 26

metamerism

Question 27

Each segment in segmentation of metaoan is called a –

Answer 27

metamere, or somite.

Question 28

Tissues that cover an external or internal surface

Answer 28

epithelial tissues

Question 29

epithelial tissues are classified based on form and number of layers. what are they?

Answer 29

simple and stratified

Question 30

what are the types of simple epithelia ?

Answer 30

simple squamous epithelium
simple cuboidal epithelium
simple columnar epithelium

Question 31

Composed of flattened cells that form a continuous lining of blood capillaries, lungs, inner lining of cheeks

Answer 31

simple squamous epithelium

Question 32

These cells are used for protection, secretion, and absorption and typically lines the kidneys, salivary glands, and other secretory systems.

Answer 32

simple cuboidal epithelium

Question 33

Rectangular, resemble cuboidal but the cells are taller
Has elongated nuclei
Present in areas where (increased) absorption are its highest rate

Answer 33

simple columnar epithelium

Question 34

what is the difference between simple and stratified epithelia?

Answer 34

simple - has a single layer of cell
stratified - has 2 or more layers

Question 35

Used against mechanical abrasion and to reduce distortion

Answer 35

stratified epithelia

Question 36

This tissue is great for stretching because they hold a lot of fluid, expand, & double their size

Answer 36

transitional epithelial tissue

Question 37

Semi-rigid tissue of firm matrix cells (chondrocytes) with collagen (protein that provides strength and elasticity to connective tissues) and elastin (gives the ability to return to their original shape)

Answer 37

cartilage

Question 38

Strongest connective tissue made of calcified matrix (osteocytes) containing salts organized around collagen fibers

Answer 38

bone

Question 39

types of muscle tissue

Answer 39

skeletal, cardiac, smooth muscle